NReality

NReality is a fan program made by UNReality, downloadable at [n.infunity.com his website]. His description of it is shown below.

It has an additional 100 episodes added to the game.
It has added two new modes for the game: speedrun mode & underclock (slowdown) mode.
It blocks the direct usage of speedhack.
It supports online level highscore recovery (by ctrl-clicking your online score).

Unreality has added new features since it was released. The most recent version has these updates:

It allows for the use of foreground and background images in maps, such as the one in the image demo map.
It can change variables associated with the in-game objects, such as gravity, the ninja's size, and the zap drones' speed.